AMP: 2 Location: Joyland Rd and S-426, Fergus Cty No reassurance shield as S-237 begins. 237 is unpaved until we get to Lewistown. AMP: 1 Location: Joyland Rd and Wolverine Creek Rd, Lewistown As we enter the Lewistown city limits, pavement begins. AMP: 0 Location: Joyland Rd and Bach St, Lewistown A couple blocks later, we’ll approach US-191 … Continue reading Montana Secondary Highway 237, S-426 to US-87/US-191/MT-200